28
TROUBLESHOOTING
Problem
Probable Cause
Possible Solution
Noisy operation
(under load).
Incorrect belt tension.
Dry spindle.
Loose pulley.
Loose belt.
Worn bearing.
Adjust tension.
Remove spindle and quill
assembly and lubricate.
Tighten pulley.
Adjust belt tension.
Replace bearing.
Excessive drill wobble.
Loose chuck.
Worn spindle or bearing.
Worn chuck.
Bent drill bit.
Tighten by pressing chuck
down on to a block of wood
against the table.
Replace the spindle shaft or
bearing.
Replace chuck.
Renew drill bit.
Motor won’t start.
Power supply.
Motor connection.
Switch connection faulty.
Faulty switch.
Motor windings burned.
Pulley cover not closed.
Microswitch on cover
faulty.
Check mains lead/fuse.
Check motor connections.
Check switch connections.
Replace switch.
Replace motor.
Close pulley cover.
Check operation of micro-
switch and renew/adjust as
necessary.
Drill binds in workpiece.
Excessive feed pressure.
Loose belt.
Loose drill.
Incorrect bit speed.
Drill angles incorrect for
type of material.
Apply less pressure.
Check belt tension.
Tighten drill with key.
Adjust the drill speed reasona-
bly.
Consult a technical manual
dealing with materials drills
and cutting angles and sharp-
en drill accordingly.
Drill bit burns or smokes.
Incorrect speed.
Swarf is not discharging.
Dull drill or not proper
clearance for material.
Needs coolant.
Excessive feed pressure.
Adjust drill speed accordingly.
Clean drill.
Check sharpness & taper.
Use coolant whilst drilling.
Apply less pressure.
Table difficult to raise.
Needs lubrication.
Table lock tightened.
Lubricate with light oil.
Loosen clamp.
33
Ref. No.
Description
SIP Part No.
Ref. No.
Description
SIP Part No.
1.
Base
WD01-00738
34.
Nut M8
WD01-00687
2.
Column flange
WD01-00739
35.
Grub screw (M6 x 10)
WD01-00711
3.
Washer M8
WD01-00672
36.
Motor pulley
WD01-00766
4.
Spring washer M8
WD01-00673
37.
Washer
WD01-00767
5.
Bolt (M8 x 25)
WD01-00695
38.
Nut M5
WD01-00697
6.
Grub screw (M6 x 12)
WD01-00740
39.
Circlip
WD01-00704
7.
Crank handle
WD01-00741
40.
Knurled screw
WD01-00768
8.
Circlip
WD01-00742
41.
Pulley cover
WD01-00769
9,
Worm shaft
WD01-00743
42.
Protecting ring
WD01-00770
10.
Worm pin
WD01-00744
43.
Screw (M6 x 10)
WD01-00703
11.
Worm gear
WD01-00745
44.
Washer M6
WD01-00702
12.
Table support
WD01-00746
45.
Microswitch
WD01-00706
13.
Locking handle
WD01-00747
46.
Nut M6
WD01-00710
14.
Table
WD01-00748
47.
Spring washer M6
WD01-00707
15.
Spring washer M12
WD01-00676
48.
Washer M6
WD01-00702
16.
Bolt (M12 x 25)
WD01-00749
49.
Microswitch holder
WD01-00709
17.
Rack
WD01-00750
50.
Mains lead clamp
WD01-00700
18.
Column
WD01-00751
51.
Bearing 6202
WD01-00771
19.
Grub screw (M6 x 12)
WD01-00740
52.
Belt O-450
WD01-00772
20.
Rack collar
WD01-00752
53.
Spindle pulley
WD01-00773
21.
Handle knob
WD01-00753
54.
Spindle shaft
WD01-00774
22.
Handle
WD01-00754
55.
Circlip
WD01-00713
23.
Handle base
WD01-00755
56.
Bearing 6203
WD01-00714
24.
Locking handle
WD01-00756
57.
Screw (M8 x 8)
WD01-00775
25.
Scale
WD01-00757
58.
Nut M10
WD01-00717
26.
Roll pin (6 x 12)
WD01-00758
59.
Spring cover
WD01-00776
27.
Pinion shaft
WD01-00759
60.
Tension spring
WD01-00777
28.
Roll pin (6 x 18)
WD01-00760
61.
Mains lead
WD01-00720
29.
Motor spring
WD01-00761
62.
Screw (M8 x 15)
WD01-00779
30.
Motor push rod
WD01-00762
63.
Casting
WD01-00780
31.
Washer
WD01-00763
64.
Screw (ST2.9 x 12)
WD01-00781
32.
Motor plate
WD01-00764
65.
Switch
WD01-00782
33.
Motor
WD01-00765
66.
Screw (M4 x 10)
WD01-00783
PARTS LIST - 01701
